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Proceedings of the 2022 5th International Conference on Computers in Management and Business最新文献

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The Effect of U.S.-China Trade War on the Performance of U.S.-listed Chinese Firms 中美贸易战对在美上市中国公司绩效的影响
Yiqing Feng
While numerous corporations seek high-quality capital in overseas markets, very little is known about the political risks embedded in this new wave of financial globalization. This research utilizes the trade dispute between the U.S. and China during 2017-2020 to examine how political risks harm the stock prices of firms listed in advanced stock markets. Using a difference-in-differences (DiD) analysis, this paper documents the negative impact of the trade war President Trump led which affects publicly listed Chinese stocks in the U.S. stock market. The findings demonstrate a salient effect of political risks, showing that the U.S. tariff policy shocks have a significant negative impact on the U.S.-listed Chinese stocks compared with the S&P 500 companies when policies have specific tariff target, leading to a 4.1%-12.6% underperformance of U.S.-listed Chinese stocks. However, this study does not find that the phase one deal, which de-escalates the situation, has a positive impact on the stock price of U.S.-listed Chinese firms.
尽管众多企业在海外市场寻求优质资本,但人们对新一波金融全球化所蕴含的政治风险知之甚少。本研究利用2017-2020年中美贸易争端来考察政治风险如何损害发达股市上市公司的股价。本文采用差异中的差异(DiD)分析,记录了特朗普总统领导的贸易战对美国股市上市的中国股票的负面影响。研究结果表明,政治风险的影响显著,当政策有特定的关税目标时,美国关税政策冲击对在美上市的中国股票的负面影响显著,导致在美上市的中国股票表现落后4.1%-12.6%。然而,本研究并未发现缓和局势的第一阶段交易对在美上市的中国公司的股价有积极影响。
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引用次数: 2
Is the analysis of stock analysts credible?—Evidence from Chinese listed companies 股票分析师的分析可信吗?——来自中国上市公司的证据
Cuifeng Wu, Ling Chen
With the continuous development of China's stock market, the report issued by stock analysts is an important basis for institutional investors and individual investors to make investment decisions. Based on the analysts' basic rating of stocks, this paper uses the samples of listed companies on GEM to study whether the analysts' rating of stocks has credibility. The results show that according to analysts' rating report can improve the stock return, that is to say, analysts' rating of GEM stock is trustworthy, and investors can obtain the excess return based on analysts' rating report. The research of this paper enriches the research results of stock analysts on whether the stock rating of listed companies on GEM is credible or not, and also reflects the market efficiency of analysts' stock rating on the other hand. At the same time, the research on the credibility of stock rating can help investors to consider more comprehensively when viewing analysts' rating reports, make more rational investment decisions, and better understand the stock market.
随着中国股市的不断发展,股票分析师发布的报告是机构投资者和个人投资者进行投资决策的重要依据。本文以分析师对股票的基本评级为基础,以创业板上市公司为样本,研究分析师对股票的评级是否具有可信度。结果表明,根据分析师的评级报告可以提高股票收益,即分析师对创业板股票的评级是可信的,投资者可以根据分析师的评级报告获得超额收益。本文的研究丰富了股票分析师对创业板上市公司股票评级是否可信的研究成果,另一方面也反映了分析师股票评级的市场效率。同时,对股票评级可信度的研究可以帮助投资者在查看分析师的评级报告时进行更全面的考虑,做出更理性的投资决策,更好地了解股票市场。
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引用次数: 0
Design of University Intelligence Course Management System and Realization of Knowledge Graph 高校智能化课程管理系统的设计与知识图谱的实现
Minchuan Huang
The function upgrading requirements of intelligent course scheduling system for university teaching management. The principle of knowledge map and the evolutionary analysis of starting course scheduling system. Interview the actual work analysis and expectation survey of college operators, improve the algorithm of the intelligent course scheduling system, and systematically analyze and design the system requirements according to the principle of software engineering. Design entity relationship, conduct entity analysis, and establish system function modules. B/S architecture mode of system prototype design. Realize system debugging, testing and operation.
高校教学管理智能排课系统的功能升级要求。知识地图原理与开课调度系统的演化分析。访谈高校运营人员的实际工作分析和期望调查,改进智能排课系统的算法,根据软件工程原理系统地分析和设计系统需求。设计实体关系,进行实体分析,建立系统功能模块。B/S架构模式的系统原型设计。实现系统的调试、测试和运行。
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引用次数: 0
Proceedings of the 2022 5th International Conference on Computers in Management and Business 2022年第五届管理与商业计算机国际会议论文集
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引用次数: 0
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Proceedings of the 2022 5th International Conference on Computers in Management and Business
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